Coalesce visual changes to canvas/items and allow canvas to render

[ardour.git] / gtk2_ardour / editor_canvas.cc

diff --git a/gtk2_ardour/editor_canvas.cc b/gtk2_ardour/editor_canvas.cc
index 72d0c2b0632cde721ade62394885f8e229fd1ad7..3b38f12df04b5b5602952ef798adf4dc2662e4b8 100644 (file)
--- a/gtk2_ardour/editor_canvas.cc
+++ b/gtk2_ardour/editor_canvas.cc
@@ -241,6 +241,8 @@ Editor::initialize_canvas ()
        _track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas), false);
        _track_canvas->set_flags (CAN_FOCUS);
 
+       _track_canvas->PreRender.connect (sigc::mem_fun(*this, &Editor::pre_render));
+
        /* set up drag-n-drop */
 
        vector<TargetEntry> target_table;